326240042623 has 4 divisors (see below), whose sum is σ = 355898228328. Its totient is φ = 296581856920.

The previous prime is 326240042581. The next prime is 326240042629.

326240042623 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-326240042623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326240042629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14829092836 + ... + 14829092857.

It is an arithmetic number, because the mean of its divisors is an integer number (88974557082).

Almost surely, 2^326240042623 is an apocalyptic number.

326240042623 is a deficient number, since it is larger than the sum of its proper divisors (29658185705).

326240042623 is a wasteful number, since it uses less digits than its factorization.

326240042623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29658185704.

The product of its (nonzero) digits is 82944, while the sum is 34.

The spelling of 326240042623 in words is "three hundred twenty-six billion, two hundred forty million, forty-two thousand, six hundred twenty-three".